Cita APA

Ryden, B. S. (2014). Introduction to cosmology (Pearson new international edition.). Pearson.

Citación estilo Chicago

Ryden, Barbara Sue. Introduction to Cosmology. Pearson new international edition. Harlow: Pearson, 2014.

Cita MLA

Ryden, Barbara Sue. Introduction to Cosmology. Pearson new international edition. Pearson, 2014.

Warning: These citations may not always be 100% accurate.